Scientists are bewildered by Zika’s path across Latin America

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By Dom Phillips and Nick Miroff October 25 at 3:24 PM, Washington Post

RIO DE JANEIRO — Nearly nine months after Zika was declared a global health emergency, the virus has infected at least 650,000 people in Latin America and the Caribbean, including tens of thousands of expectant mothers.

But to the great bewilderment of scientists, the epidemic has not produced the wave of fetal deformities so widely feared when the images of misshapen infants first emerged from Brazil.